Fix some write-strings warnings.

dlls/dsound/dsound.c

@@ -65,7 +65,7 @@ static const char * dumpCooperativeLevel(DWORD level)
 static void _dump_DSCAPS(DWORD xmask) {
     struct {
         DWORD   mask;
-        char    *name;
+        const char    *name;
     } flags[] = {
 #define FE(x) { x, #x },
         FE(DSCAPS_PRIMARYMONO)
@@ -91,7 +91,7 @@ static void _dump_DSCAPS(DWORD xmask) {
 static void _dump_DSBCAPS(DWORD xmask) {
     struct {
         DWORD   mask;
-        char    *name;
+        const char    *name;
     } flags[] = {
 #define FE(x) { x, #x },
         FE(DSBCAPS_PRIMARYBUFFER)

dlls/dsound/tests/ds3d.c

@@ -71,7 +71,7 @@ char* wave_generate_la(WAVEFORMATEX* wfx, double duration, DWORD* size)
 const char * getDSBCAPS(DWORD xmask) {
     static struct {
         DWORD   mask;
-        char    *name;
+        const char    *name;
     } flags[] = {
 #define FE(x) { x, #x },
         FE(DSBCAPS_PRIMARYBUFFER)

dlls/winsock/tests/sock.c

@@ -990,8 +990,8 @@ static void test_UDP(void)
 static void WINAPI do_getservbyname( HANDLE *starttest )
 {
     struct {
-        char *name;
-        char *proto;
+        const char *name;
+        const char *proto;
         int port;
     } serv[2] = { {"domain", "udp", 53}, {"telnet", "tcp", 23} };
 

programs/rundll32/rundll32.c

@@ -53,8 +53,8 @@ typedef void (WINAPI *EntryPointA)(HWND hWnd, HINSTANCE hInst, LPSTR lpszCmdLine
  * Control_RunDLL needs to have a window. So lets make us a very
  * simple window class.
  */
-static TCHAR  *szTitle = "rundll32";
-static TCHAR  *szWindowClass = "class_rundll32";
+static const TCHAR  *szTitle = "rundll32";
+static const TCHAR  *szWindowClass = "class_rundll32";
 
 static HINSTANCE16 (WINAPI *pLoadLibrary16)(LPCSTR libname);
 static FARPROC16 (WINAPI *pGetProcAddress16)(HMODULE16 hModule, LPCSTR name);